<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>作业1</title>
	<style>
		  .box{
		  	  width:500px;
		  	  height:500px;
		  	  border:1px red solid;
		  	  margin:0 auto;
		  }
		  img{
		  	 display:block;
		  	 width:148px;
		  	 height:148px;
		  	 margin:50px;
             float:left;
             border:1px black solid;
		  }
	</style>
</head>
<body>
	  <div class="box">
	  	  <img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1537276942201&di=06464dd3093f0fda6fd424baf08e2365&imgtype=0&src=http%3A%2F%2Fimg1.3lian.com%2F2015%2Fa1%2F121%2Fd%2F231.jpg"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1537276942201&di=06464dd3093f0fda6fd424baf08e2365&imgtype=0&src=http%3A%2F%2Fimg1.3lian.com%2F2015%2Fa1%2F121%2Fd%2F231.jpg"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1537276942201&di=06464dd3093f0fda6fd424baf08e2365&imgtype=0&src=http%3A%2F%2Fimg1.3lian.com%2F2015%2Fa1%2F121%2Fd%2F231.jpg"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1537276942201&di=06464dd3093f0fda6fd424baf08e2365&imgtype=0&src=http%3A%2F%2Fimg1.3lian.com%2F2015%2Fa1%2F121%2Fd%2F231.jpg">
	  </div>
</body>
</html>